Which abbreviation implies that a medication dose is adequate or sufficient?

The abbreviation that indicates a medication dose is adequate or sufficient is "qs," which stands for "quantum satis" in Latin. This phrase translates to "as much as sufficient" or "the sufficient amount." It is often used in prescriptions to imply that the quantity of a substance should be enough to achieve the desired therapeutic effect, without specifying an exact amount.

Understanding this term is important in pharmacy practice, as it helps ensure that medications are provided in a manner that is both effective and safe for patients. This is especially relevant when compounding medications or when the exact dosage is not strictly defined but needs to be effective according to established clinical guidelines.

The other options reflect different meanings related to medication administration. "Prn" indicates that a medication should be given as needed, "tid" means to administer a drug three times a day, and "gtts" refers to drops, typically in the context of liquid medications. However, none of these denote the adequacy or sufficiency of a dosage in the same way that "qs" does.